332-2856 | Damper Act, Pneu, No 6, 4" Stroke, 8-13psi, Pivot Mount, Clevis, Position Relay | Siemens

This 331 Number 6 Pneumatic Damper Actuator with positioning relay is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This actuator has nominal spring range of 8 to 13 psi, is pivot mounted and has a replaceable diaphragm. This actuator has a 1/8" NPT female air connection.